Home / 143,955.78-215,933.67-44,115.59

Finding the Fourth Proportional to 143,955.78, 215,933.67 and 44,115.59

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Solution

The fourth proportional to 143,955.78, 215,933.67 and 44,115.59 is: 66,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,955.78 : 215,933.67 = 44,115.59 : x
  2. Step 2: Convert to fraction form
    143,955.78/215,933.67 = 44,115.59/x
  3. Step 3: Cross multiply
    143,955.78x = 215,933.67 × 44,115.59
  4. Step 4: Simplify right side
    143,955.78x = 9,526,040,173.25
  5. Step 5: Solve for x
    x = 9,526,040,173.25/143,955.78
  6. Step 6: Final answer
    x = 66,173.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.